CN203362199U - End-head hydraulic support for fully mechanized mining face - Google Patents
End-head hydraulic support for fully mechanized mining face Download PDFInfo
- Publication number
- CN203362199U CN203362199U CN 201320398097 CN201320398097U CN203362199U CN 203362199 U CN203362199 U CN 203362199U CN 201320398097 CN201320398097 CN 201320398097 CN 201320398097 U CN201320398097 U CN 201320398097U CN 203362199 U CN203362199 U CN 203362199U
- Authority
- CN
- China
- Prior art keywords
- hinged
- back timber
- base
- hydraulic cylinder
- right sides
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model provides an end-head hydraulic support for a fully mechanized mining face and belongs to the field of mining machinery manufacturing and applied technology. The end-head hydraulic support for the fully mechanized mining face is strong in supporting capacity, good in stability and capable of improving working face coal-mining efficiency. The end-head hydraulic support for the fully mechanized mining face comprises bases, and top beams are arranged above the bases. Each base is composed of a front base body, a middle base body and a rear base body. Each top beam is composed of a front top beam body, a middle top beam body and a rear top beam body. Each front base body is hinged to one end of the rear base body through the middle base body, and the other end of the rear base body is hinged to one end of a caving shield through a front connecting bar and a rear connecting bar. The rear base bodies, the front connecting bar, the rear connecting bar and the caving shields form four-bar mechanisms. The other end of each caving shield is hinged to one end of the middle top beam body through the rear top beam body. The other end of each middle top beam body is hinged to the front top beam body. The other end of each front base body is hinged to one end of a support moving hydraulic cylinder. The other end of each support moving hydraulic cylinder is hinged to a pushing and moving seat. The inner side of each top beam is provided with a roof protecting board. The rear end of each roof protecting board is hinged to the top beam. The inner side of each caving shield is provided with a coal placing board. Hydraulic vertical columns are arranged between the bases and the top beams.
Description
Technical field
The utility model belongs to mining machinery manufacture and applied technical field, relate to a kind of end regions suspension device for the safety work of mining stope, particularly relate to and a kind ofly in the face end zone, carry out supporting, and the fully-mechanized mining working faces end head hydraulic support that can move with the propelling of working face mining.
Background technology
In recent years, China combined and to adopt the technology and equipment level and obtained rapid progress, and the comprehensive level of adopting in mining area has also had the raising of leap, but the Roof in fully-mechanized mining working faces end head zone is still the bottleneck of the safe and efficient production of restriction work plane.This is that the open-assembly time of back is long because the tunnel of work plane generally all excavates before coal mining, and end regions is again the infall in work plane and tunnel, and control top scope is large; When back production, end regions and lame advanced supporting section are subject to again adopting and the impact of bearing pressure in advance, so the deflection of top board is large, and the ratio of reduction is more serious.End regions also is furnished with the main equipments such as face conveyor, elevating conveyor, is the current thoroughfare of plant maintenance, personnel, easily jeopardizes the roof accident of personal safety.
At present, the most of coal walls of China adopt the end support mode of individual prop and metal hinge top beam or long girder steel, and labor strength greatly, individual prop installs and remove that the speed of post is slow, efficiency is low, poor stability.The work plane of or roof cracking large to end pressure, prop drawing and to reclaim girder steel all very difficult, increased potential safety hazard.Particularly along with most of mines are adopted dark increasing, ground is pressed and is increased obvious, complex geologic conditions, the artificial method of beating individual prop of taking tradition to fall behind is carried out the supporting of face end zone top board, the needs that site safety is produced can't have been met, easily cause security incident, to mine safety production, bring adverse effect.
According to incompletely statistics, fully-mechanized mining working accounts for about half of the total accident of fully-mechanized mining working because of the in poor shape human casualty accident in end regions and the appearance of lame advanced supporting section of supporting.The event that the impacts such as open height is low safety in production was pushed up, gone out in roof fall, leakage happens occasionally, and all kinds of roof accidents also are difficult to avoid.Strengthening the roof control of end regions and the mechanization that realizes the supporting operation, is to reduce labor strength, reduce accident rate, improve face propulsion speed, realize the key factor of the safe high-yield and high-efficiency of work plane.
The utility model content
The problem existed for prior art, the utility model provides that a kind of enabling capabilities is strong, stability good, can improve the fully-mechanized mining working faces end head hydraulic support of work plane coal mining activity efficiency.
To achieve these goals, the utility model adopts following technical scheme, a kind of fully-mechanized mining working faces end head hydraulic support, comprise base, be provided with back timber above base, described base and back timber are divided into arranged on left and right sides, and the base of arranged on left and right sides forms by front base, middle base and rear base, and the back timber of arranged on left and right sides forms by front back timber, middle back timber and rear back timber; Before each side, an end of base and an end of middle base are hinged, one end of the other end of middle base and rear base is hinged, the other end of rear base is hinged by an end of front rod and back link and caving shield respectively, and described rear base, front rod, back link and caving shield form quadric chain; One end of the other end of caving shield and rear back timber is hinged, and an end of the other end of rear back timber and middle back timber is hinged, and the other end of middle back timber and front back timber are hinged; The other end of front base is hinged by connector and an end that moves the frame hydraulic cylinder, and the other end that moves the frame hydraulic cylinder is hinged by connector and passing seat; Be respectively arranged with and protect top board in the inboard of arranged on left and right sides back timber, the rear end and the back timber that protect top board are hinged, and protect the front end of top board and the other end that protects the top board hydraulic cylinder that an end is hinged on the back timber sidepiece and are hinged; Be respectively arranged with and put the coal plate in the inboard of arranged on left and right sides caving shield, rear end and the caving shield of putting the coal plate are hinged, and put the front end of coal plate and the other end of putting coal plate hydraulic cylinder that an end is hinged on the caving shield sidepiece and are hinged; Be provided with hydraulic vertical prop between base and back timber.
Front portion at described front back timber is provided with front-axle beam, one end and the front back timber of front-axle beam are hinged, and the other end is plugged with extensible canopy, and an end of extensible canopy and telescopic hydraulic cylinder is hinged, the other end and the front-axle beam of telescopic hydraulic cylinder are hinged, and between described front-axle beam and front back timber, are provided with the front-axle beam hydraulic cylinder.
Pass between seat to be fixedly installed to draw in described arranged on left and right sides and move groove.
Described drawing moved groove and is fixedly installed on arranged on left and right sides by otic placode and passes between seat.
More firm for the utility model support, be provided with connecting rod and lower link between described back timber and base, described upper connecting rod and lower link are hinged, and the other end and the back timber of upper connecting rod are hinged, and the other end and the base of lower link are hinged.
Be provided with the tension hydraulic cylinder between described arranged on left and right sides back timber, an end of tension hydraulic cylinder is connected with the left side back timber by curved connector, and the other end of tension hydraulic cylinder is connected with the right side back timber by curved connector.
The beneficial effects of the utility model:
The support capacity finite sum that fully-mechanized mining working faces end head hydraulic support of the present utility model has solved the prior art existence affects the problems such as coal mining activity efficiency, compact conformation, reasonable in design, flexible operation, can guarantee the space that the end regions apparatus arrangement is required, guarantees pedestrian's safety; Can adapt to top, tunnel, base plate fluctuations and the needs in transportation and installation process, enabling capabilities is strong, and stability is good, can improve work plane coal mining activity efficiency simultaneously.
The accompanying drawing explanation
Fig. 1 is the structural representation of fully-mechanized mining working faces end head hydraulic support of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1;
Fig. 4 is the structural representation of fully-mechanized mining working faces end head hydraulic support of the present utility model bottom;
In figure, 1-front-axle beam, 2-front-axle beam hydraulic cylinder, 3-upper connecting rod, 4-hydraulic vertical prop, 5-front back timber, 6-middle back timber, 7-rear back timber, 8-caving shield, 9-front rod, 10-back link, 11-rear base, 12-middle base, 13-front base, 14-lower link, 15-connector, 16-move the frame hydraulic cylinder, 17-passing seat, 18-elevating conveyor, 19-draw and move groove, 20-tension hydraulic cylinder, 21-protect top board, 22-protect the top board hydraulic cylinder, 23-curved connector, 24-put the coal plate, 25-put coal plate hydraulic cylinder, 26-extensible canopy, 27-telescopic hydraulic cylinder, 28-otic placode.
The specific embodiment
As shown in Figure 1 to 4, a kind of fully-mechanized mining working faces end head hydraulic support, comprise base, be provided with back timber above base, described base and back timber are divided into arranged on left and right sides, the base of arranged on left and right sides forms by front base 13, middle base 12 and rear base 11, and the back timber of arranged on left and right sides forms by front back timber 5, middle back timber 6 and rear back timber 7; Before each side, an end of base 13 and an end of middle base 12 are hinged, one end of the other end of middle base 12 and rear base 11 is hinged, the other end of rear base 11 is hinged with an end of caving shield 8 by front rod 9 and back link 10 respectively, and described rear base 11, front rod 9, back link 10 and caving shield 8 form quadric chain; One end of the other end of caving shield 8 and rear back timber 7 is hinged, and an end of the other end of rear back timber 7 and middle back timber 6 is hinged, and the other end of middle back timber 6 and front back timber 5 are hinged; The other end of front base 13 is hinged by connector 15 and an end that moves frame hydraulic cylinder 16, and the other end that moves frame hydraulic cylinder 16 is hinged by connector 15 and passing seat 17; Be respectively arranged with and protect top board 21 in the inboard of arranged on left and right sides back timber, the rear end and the back timber that protect top board 21 are hinged, and protect the front end of top board 21 and the other end that protects top board hydraulic cylinder 22 that an end is hinged on the back timber sidepiece and are hinged; Be respectively arranged with and put coal plate 24 in the inboard of arranged on left and right sides caving shield 8, rear end and the caving shield 8 of putting coal plate 24 are hinged, and put the front end of coal plate 24 and the other end of putting coal plate hydraulic cylinder 25 that an end is hinged on caving shield 8 sidepieces and are hinged; Be provided with hydraulic vertical prop 4 between base and back timber.
Be provided with front-axle beam 1 in the front portion of described front back timber 5, one end and the front back timber 5 of front-axle beam 1 are hinged, the other end is plugged with extensible canopy 26, extensible canopy 26 is hinged with an end of telescopic hydraulic cylinder 27, the other end of telescopic hydraulic cylinder 27 and front-axle beam 1 are hinged, and between described front-axle beam 1 and front back timber 5, are provided with front-axle beam hydraulic cylinder 2.
Pass between seat 17 to be fixedly installed to draw in described arranged on left and right sides and move groove 19.
Described drawing moved groove 19 and is fixedly installed on arranged on left and right sides by otic placode 28 and passes between seat 17.
For making the utility model support more firm consideration, be provided with connecting rod 3 and lower link 14 between described back timber and base, described upper connecting rod 3 is hinged with lower link 14, and the other end and the back timber of upper connecting rod 3 are hinged, and the other end and the base of lower link 14 are hinged.
Be provided with tension hydraulic cylinder 20 between described arranged on left and right sides back timber, an end of tension hydraulic cylinder 20 is connected with the left side back timber by curved connector 23, and the other end of tension hydraulic cylinder 20 is connected with the right side back timber by curved connector 23.
Below in conjunction with accompanying drawing, a use procedure of the present utility model is described:
During use, between two wing bases of the present utility model, elevating conveyor 18 is set, elevating conveyor 18 moves groove 19 and is connected with the passing seat 17 of both sides by drawing.
The acquiescence duty of end hydraulic support of the present utility model is: end hydraulic support of the present utility model take two be arranged in the face end zone as a group switching centre symmetrical expression, hydraulic vertical prop 4 rises, supporting top beam, form the support to face end zone top board; Front-axle beam hydraulic cylinder 2 stretches out, and front-axle beam 1 is contacted with face end zone top board; Telescopic hydraulic cylinder 27 is regained, and moves frame hydraulic cylinder 16 and regains, and protects top board hydraulic cylinder 22 and stretches out, and puts coal plate hydraulic cylinder 25 and stretches out.
Along with the work plane coal mining advances reach, elevating conveyor 18 and end hydraulic support of the present utility model also need correspondingly to move forward.Now, move frame hydraulic cylinder 16 and stretch out, drive and pass seat 17 and a coupled step pitch of elevating conveyor 18 reaches; Telescopic hydraulic cylinder 27 stretches out, and the face end zone top board that extensible canopy 26 is stretched out passing seat 17 tops carries out temporary supporting.Top board hydraulic cylinder 22 is protected in withdrawal, drives and protects top board 21 withdrawals, for moving frame, prepares; Hydraulic vertical prop 4 is regained, and the back timber of end hydraulic support of the present utility model is separated with face end zone top board, then regains and moves frame hydraulic cylinder 16, by elevating conveyor 18, pulls a step pitch of whole end hydraulic support reach; Regain telescopic hydraulic cylinder 27 and extensible canopy 26 simultaneously.After moving into place, rise hydraulic vertical prop 4, the back timber of end hydraulic support of the present utility model is contacted with face end zone top board, form and support; Stretch out and protect top board hydraulic cylinder 22 and protect top board 21, complete the reach action with a step pitch of work plane coal mining activity.When the coal operation need be put in caving shield 8 tops at end hydraulic support of the present utility model rear portion, regain and put coal plate hydraulic cylinder 25 and put coal plate 24, coal is fallen on the conveying coal equipment at rear portion from caving shield 8.
Claims (6)
1. a fully-mechanized mining working faces end head hydraulic support, it is characterized in that comprising base, be provided with back timber above base, described base and back timber are divided into arranged on left and right sides, the base of arranged on left and right sides forms by front base, middle base and rear base, and the back timber of arranged on left and right sides forms by front back timber, middle back timber and rear back timber; Before each side, an end of base and an end of middle base are hinged, one end of the other end of middle base and rear base is hinged, the other end of rear base is hinged by an end of front rod and back link and caving shield respectively, and described rear base, front rod, back link and caving shield form quadric chain; One end of the other end of caving shield and rear back timber is hinged, and an end of the other end of rear back timber and middle back timber is hinged, and the other end of middle back timber and front back timber are hinged; The other end of front base is hinged by connector and an end that moves the frame hydraulic cylinder, and the other end that moves the frame hydraulic cylinder is hinged by connector and passing seat; Be respectively arranged with and protect top board in the inboard of arranged on left and right sides back timber, the rear end and the back timber that protect top board are hinged, and protect the front end of top board and the other end that protects the top board hydraulic cylinder that an end is hinged on the back timber sidepiece and are hinged; Be respectively arranged with and put the coal plate in the inboard of arranged on left and right sides caving shield, rear end and the caving shield of putting the coal plate are hinged, and put the front end of coal plate and the other end of putting coal plate hydraulic cylinder that an end is hinged on the caving shield sidepiece and are hinged; Be provided with hydraulic vertical prop between base and back timber.
2. fully-mechanized mining working faces end head hydraulic support according to claim 1, it is characterized in that being provided with front-axle beam in the front portion of described front back timber, one end and the front back timber of front-axle beam are hinged, the other end is plugged with extensible canopy, one end of extensible canopy and telescopic hydraulic cylinder is hinged, the other end and the front-axle beam of telescopic hydraulic cylinder are hinged, and between described front-axle beam and front back timber, are provided with the front-axle beam hydraulic cylinder.
3. fully-mechanized mining working faces end head hydraulic support according to claim 1, is characterized in that passing between seat to be fixedly installed to draw in described arranged on left and right sides moving groove.
4. fully-mechanized mining working faces end head hydraulic support according to claim 3, is characterized in that described drawing move groove and be fixedly installed on arranged on left and right sides by otic placode and pass between seat.
5. fully-mechanized mining working faces end head hydraulic support according to claim 1, it is characterized in that being provided with connecting rod and lower link between described back timber and base, described upper connecting rod and lower link are hinged, and the other end and the back timber of upper connecting rod are hinged, and the other end and the base of lower link are hinged.
6. fully-mechanized mining working faces end head hydraulic support according to claim 1, it is characterized in that being provided with the tension hydraulic cylinder between described arranged on left and right sides back timber, one end of tension hydraulic cylinder is connected with the left side back timber by curved connector, and the other end of tension hydraulic cylinder is connected with the right side back timber by curved connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320398097 CN203362199U (en) | 2013-07-05 | 2013-07-05 | End-head hydraulic support for fully mechanized mining face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320398097 CN203362199U (en) | 2013-07-05 | 2013-07-05 | End-head hydraulic support for fully mechanized mining face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203362199U true CN203362199U (en) | 2013-12-25 |
Family
ID=49809985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320398097 Expired - Lifetime CN203362199U (en) | 2013-07-05 | 2013-07-05 | End-head hydraulic support for fully mechanized mining face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203362199U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775117A (en) * | 2014-02-18 | 2014-05-07 | 陕西开拓建筑科技有限公司 | Waste-rock-blocking top-cutting mold-hanging gob-side entry retaining hydraulic bracket for mining working face |
| CN108442959A (en) * | 2018-05-07 | 2018-08-24 | 陕西开拓建筑科技有限公司 | A kind of girdle gob side entry retaining lane keeps off cash holder |
| CN109113775A (en) * | 2018-08-08 | 2019-01-01 | 霍州煤电集团鑫钜煤机装备制造有限责任公司 | Suitable for cutting top Special hydraulic of the release automatic lane forming without coal pillar mining technology |
| CN109538267A (en) * | 2018-12-21 | 2019-03-29 | 中煤北京煤矿机械有限责任公司 | A kind of high stability high-adaptability overlength supported laneway end support equipment |
| CN110566258A (en) * | 2019-08-22 | 2019-12-13 | 天地科技股份有限公司 | Support model for simulating fully mechanized caving mining of coal mine |
-
2013
- 2013-07-05 CN CN 201320398097 patent/CN203362199U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775117A (en) * | 2014-02-18 | 2014-05-07 | 陕西开拓建筑科技有限公司 | Waste-rock-blocking top-cutting mold-hanging gob-side entry retaining hydraulic bracket for mining working face |
| CN103775117B (en) * | 2014-02-18 | 2016-02-10 | 陕西开拓建筑科技有限公司 | Face gear cash is cut top and is hung mould gob side entry retaining hydraulic support |
| CN108442959A (en) * | 2018-05-07 | 2018-08-24 | 陕西开拓建筑科技有限公司 | A kind of girdle gob side entry retaining lane keeps off cash holder |
| CN109113775A (en) * | 2018-08-08 | 2019-01-01 | 霍州煤电集团鑫钜煤机装备制造有限责任公司 | Suitable for cutting top Special hydraulic of the release automatic lane forming without coal pillar mining technology |
| CN109538267A (en) * | 2018-12-21 | 2019-03-29 | 中煤北京煤矿机械有限责任公司 | A kind of high stability high-adaptability overlength supported laneway end support equipment |
| CN110566258A (en) * | 2019-08-22 | 2019-12-13 | 天地科技股份有限公司 | Support model for simulating fully mechanized caving mining of coal mine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203362199U (en) | End-head hydraulic support for fully mechanized mining face | |
| CN202882972U (en) | Along-groove stepping split type advanced hydraulic support frame group | |
| CN103452574B (en) | Auxiliary bracket moving device of circular self-moving advance support | |
| CN205047241U (en) | Tunnel quick travel formula advance support support | |
| CN103233761A (en) | Reversed loader moving-assisted large-cycle tunnel advance support bracket | |
| CN206625858U (en) | A kind of automatic moving type forepoling hydraulic support with side guard plate | |
| CN101906982B (en) | Two-stage side guard transition bracket for large height mining face | |
| CN103527228A (en) | Self-propelled type temporary support and anchor support machine for coal mine roadway | |
| CN203717005U (en) | Cyclically moving advanced supporting hydraulic bracket for two roadways of fully mechanized coal mining face | |
| CN107178384A (en) | The advanced telescopic cantilever suspension device of tunnelling and its construction method | |
| CN104047627A (en) | Mining roadway frame style advanced support bracket | |
| CN203499708U (en) | Self-propelled coal mine tunnel temporary supporting anchor protecting machine | |
| CN203223239U (en) | Roadway advance timbering support used for assisting machine to move | |
| CN203362198U (en) | Track walking type immediate support device of fully-mechanized drivage roadway | |
| CN104695996A (en) | Full loading self-moving anti-toppling and anti-slipping hydraulic support | |
| CN204163751U (en) | A kind of automatic moving type end hydraulic support | |
| CN201314239Y (en) | End support for roadway caving | |
| CN104265344A (en) | Conveyor unloading part rear-mounted end hydraulic support | |
| CN202520350U (en) | Sectional retractable suspension top beam tunnel fore support | |
| CN202325593U (en) | Suspension type supporting frame for mechanized mining face | |
| CN101509388B (en) | Tunnel ahead support stent | |
| CN106761874A (en) | A kind of automatic moving type forepoling hydraulic support with side guard plate | |
| CN103216252A (en) | Roadway advanced supporting supports capable of assisting machinery to move | |
| CN201225163Y (en) | Self-moving hydraulic support for coal mine shortwalling | |
| CN204371394U (en) | Temporary support for drivage face hydraulic support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 046204 Changzhi high tech Development Zone, North Street, No. 65, Shanxi Patentee after: SHANXI LU'AN ENVIRONMENTAL ENERGY DEVELOPMENT Co.,Ltd. Patentee after: LIAONING TIANAN TECHNOLOGY Co.,Ltd. Address before: 046204 Changzhi high tech Development Zone, North Street, No. 65, Shanxi Patentee before: SHANXI LU'AN ENVIRONMENTAL ENERGY DEVELOPMENT Co.,Ltd. Patentee before: Liaoning Tianan Mining Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20201224 Address after: No.65, Chengbei East Street, Changzhi City, Shanxi Province Patentee after: SHANXI LU'AN ENVIRONMENTAL ENERGY DEVELOPMENT Co.,Ltd. Patentee after: SHENYANG TIAN AN TECHNOLOGY Co.,Ltd. Address before: 046204 No.65, Chengbei street, high tech Development Zone, Changzhi City, Shanxi Province Patentee before: SHANXI LU'AN ENVIRONMENTAL ENERGY DEVELOPMENT Co.,Ltd. Patentee before: LIAONING TIANAN TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |
|
| CX01 | Expiry of patent term |